DTC P0721 Audi
Output Speed Sensor Circuit Range Performance
Output Speed Sensor Circuit Range Performance
Description
Sensor supply, OK Sensor, no electrical error Transmission condition, friction-locked Input speed sensor, OK Difference between output speed and input speed, > 200 RPM Transmission condition, friction-locked backwards or forwards Shift flag, = 0 (no shift) Input speed, OK Sensor supply, OK Wheel speeds, OK
Cause and Solution
Check fuse
Check for signal, voltage and ground
Check harness for open or short
Repalce transmission input speed sensor
Video Guide
Diagnostic Info
- DTC Code: P0721
- Brand: Audi